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Finding the Fourth Proportional to 69,084.90, 103,627.35 and 63,836.10

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Solution

The fourth proportional to 69,084.90, 103,627.35 and 63,836.10 is: 95,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.90 : 103,627.35 = 63,836.10 : x
  2. Step 2: Convert to fraction form
    69,084.90/103,627.35 = 63,836.10/x
  3. Step 3: Cross multiply
    69,084.90x = 103,627.35 × 63,836.10
  4. Step 4: Simplify right side
    69,084.90x = 6,615,165,877.34
  5. Step 5: Solve for x
    x = 6,615,165,877.34/69,084.90
  6. Step 6: Final answer
    x = 95,754.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.